Motor Control Articles: Motor Control by Static Power Converters: Motor Control by Static Power Converters – Power electronics is a multidisciplinary technology that encompasses power semiconductor devices, converter circuits, electric…
Microprocessors and Control for Electric Drives Articles: Introduction to Microprocessors and Control of Electric Drives: Conventionally, control of thyristor converter fed electrical drives (both dc and ac) is performed using…
Control of Electric Motor Articles: Control of DC Electric Motor: A separately excited DC Electric Motor is very versatile as a variable speed motor. Its speed can be varied by…
High Voltage Test on Circuit Breaker and Isolators: High Voltage Test on Circuit Breaker and Isolators is covered, giving common characteristics for both. While these characteristics are directly relevant to…
Applications in High Voltage Bushings: At rated voltages higher than 52 kV, the condenser or capacitance graded bushing principle is generally used. The insulating material for such a Applications in…
High Temperature High Performance Polymers: High Performance Polymers films are thermoplastic and are generally transparent. The are needed for use in applications where temperatures vary from very low (- 269°C)…
Grounding or Earthing: The process of connecting the metallic frame (i.e. non-current carrying part) of electrical equipment or some electrical part of the system (e.g. neutral point in a star-connected…
Protective Relay: A Protective Relay is a device that detects the fault and initiates the operation of the circuit breaker to isolate the defective element from the rest of the…